State weather

Connecticut weather

Forecasts for 18 cities in Connecticut with 20,000+ residents from the National Weather Service. 2 NWS alerts are active in Connecticut, including 0 warnings.

City forecasts: snapshot of Oct 28, 2:28 AM EDT Alerts updated Oct 28, 2:15 AM EDT
Connecticut cities
CityCountyObservedForecastPopulation
BridgeportGreater Bridgeport Planning Region43°F · ClearOvernight: Partly Cloudy, low 37°F151,599
StamfordWestern Connecticut Planning Region41°F · ClearOvernight: Areas Of Frost, low 38°F139,134
New HavenSouth Central Connecticut Planning Region41°F · ClearOvernight: Areas Of Frost, low 36°F137,562
HartfordCapitol Planning Region37°F · ClearOvernight: Patchy Frost, low 35°F122,129
WaterburyNaugatuck Valley Planning Region45°F · ClearOvernight: Areas Of Frost, low 34°F115,908
NorwalkWestern Connecticut Planning Region43°F · ClearOvernight: Partly Cloudy, low 43°F93,661
DanburyWestern Connecticut Planning Region34°F · ClearOvernight: Areas Of Frost, low 35°F88,692
New BritainCapitol Planning Region37°F · ClearOvernight: Patchy Frost, low 34°F75,871
BristolNaugatuck Valley Planning Region37°F · ClearOvernight: Patchy Frost, low 33°F62,195
MeridenSouth Central Connecticut Planning Region37°F · ClearOvernight: Areas Of Frost, low 34°F60,849
West HavenSouth Central Connecticut Planning Region41°F · ClearOvernight: Partly Cloudy, low 38°F55,379
MilfordSouth Central Connecticut Planning Region43°F · ClearOvernight: Partly Cloudy, low 37°F51,004
MiddletownLower Connecticut River Valley Planning Region37°F · ClearOvernight: Areas Of Frost, low 33°F48,616
SheltonNaugatuck Valley Planning Region43°F · ClearOvernight: Partly Cloudy, low 36°F42,805
NorwichSoutheastern Connecticut Planning Region30°F · ClearOvernight: Areas Of Frost, low 32°F39,993
TorringtonNorthwest Hills Planning Region45°F · ClearOvernight: Mostly Clear, low 32°F35,673
NaugatuckNaugatuck Valley Planning Region45°F · ClearOvernight: Areas Of Frost, low 34°F32,116
New LondonSoutheastern Connecticut Planning Region39°F · ClearOvernight: Mostly Clear, low 40°F28,081

Observed temperatures come from the NWS station nearest each city at the time of the snapshot. Open a city for current conditions, the next 24 hours and the 7-day forecast, loaded live from api.weather.gov.

Active alerts in Connecticut

Coastal Flood Statement Minor Expected

Coastal Flood Statement issued October 27 at 2:23PM EDT until October 28 at 3:00PM EDT by NWS Upton NY

Area
Southern Fairfield
In effect
Oct 28, 12:00 PM EDT
Until
Oct 28, 3:00 PM EDT
Issued by
NWS Upton NY
Full text

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Fairfield County. * WHEN...Wednesday afternoon. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

What to do: Do not drive through flooded roadways.

Frost Advisory Minor Expected

Frost Advisory issued October 27 at 2:07PM EDT until October 28 at 9:00AM EDT by NWS Upton NY

Area
Southern Middlesex; Southern New London
In effect
Oct 28, 12:00 AM EDT
Until
Oct 28, 9:00 AM EDT
Issued by
NWS Upton NY
Full text

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Southern Middlesex and Southern New London Counties. * WHEN...From midnight tonight to 9 AM EDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

What to do: Take steps now to protect tender plants from the cold.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Other states

Sources

  • Forecasts, observations and alerts: National Weather Service API (api.weather.gov/alerts/active?area=CT).
  • Cities and population: U.S. Census Bureau, Vintage 2024 population estimates.
  • These agencies do not endorse OpenForecast.